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Run results for:
splice vs unshift
splice vs unshift to prepend value
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Run details:
User agent:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/135.0.0.0 Safari/537.36
Browser:
Chrome 135
Operating system:
Mac OS X 10.15.7
Device Platform:
Desktop
Date tested:
one year ago
Test name
Executions per second
splice
24206.3 Ops/sec
unshift
25497.0 Ops/sec
Script Preparation code:
var arr = [1,2,3,4,5,6,7,8,9];
Tests:
splice
arr.splice(0,0,0);
unshift
arr.unshift(0);